CA1091163A - Sound processing method and apparatus - Google Patents
Sound processing method and apparatusInfo
- Publication number
- CA1091163A CA1091163A CA273,908A CA273908A CA1091163A CA 1091163 A CA1091163 A CA 1091163A CA 273908 A CA273908 A CA 273908A CA 1091163 A CA1091163 A CA 1091163A
- Authority
- CA
- Canada
- Prior art keywords
- signal
- frequencies
- pass filter
- harmonic
- creator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000003672 processing method Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 claims abstract description 23
- 230000005236 sound signal Effects 0.000 claims description 31
- 230000001419 dependent effect Effects 0.000 claims description 20
- 230000002238 attenuated effect Effects 0.000 claims description 11
- 230000010363 phase shift Effects 0.000 claims description 9
- 238000001228 spectrum Methods 0.000 claims 5
- 238000013459 approach Methods 0.000 claims 4
- 238000001914 filtration Methods 0.000 claims 2
- 239000007787 solid Substances 0.000 abstract description 3
- 239000003990 capacitor Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 101150087426 Gnal gene Proteins 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
- H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
- H03F1/3276—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using the nonlinearity inherent to components, e.g. a diode
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
- H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
- H03F1/3264—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits in audio amplifiers
- H03F1/327—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits in audio amplifiers to emulate discharge tube amplifier characteristics
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Power Engineering (AREA)
- Multimedia (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Electrophonic Musical Instruments (AREA)
- Stereophonic System (AREA)
- Amplifiers (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US66711576A | 1976-03-15 | 1976-03-15 | |
| US05/762,403 US4150253A (en) | 1976-03-15 | 1977-01-26 | Signal distortion circuit and method of use |
| US762,403 | 1977-01-26 | ||
| US667,115 | 1984-11-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1091163A true CA1091163A (en) | 1980-12-09 |
Family
ID=27099613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA273,908A Expired CA1091163A (en) | 1976-03-15 | 1977-03-14 | Sound processing method and apparatus |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS6049918B2 (enrdf_load_stackoverflow) |
| CA (1) | CA1091163A (enrdf_load_stackoverflow) |
| DE (1) | DE2711083A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2357970A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1579571A (enrdf_load_stackoverflow) |
| NL (1) | NL7702723A (enrdf_load_stackoverflow) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56115189U (enrdf_load_stackoverflow) * | 1980-02-01 | 1981-09-04 | ||
| JPS61281799A (ja) * | 1985-06-07 | 1986-12-12 | Dainabekutaa Kk | 音声信号再生方式 |
| DE3904425A1 (de) * | 1989-02-14 | 1990-08-16 | Ulrich Dipl Ing Behringer | Verfahren und vorrichtung zur klangaufbereitung |
| RU2161868C1 (ru) * | 2000-05-12 | 2001-01-10 | Федеральное государственное унитарное предприятие Научно-исследовательский институт радио Государственного комитета РФ по связи и информатизации | Способ трансляции стереофонического сигнала |
| SE0004479D0 (sv) | 2000-12-05 | 2000-12-05 | Ericsson Telefon Ab L M | Method and arrangement relating to electronic compensation |
| DE10101831A1 (de) * | 2001-01-17 | 2002-07-18 | Grundig Ag | Tonsignalwiedergabegerät mit Einstellung einer individuellen Hörcharakteristik |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3127476A (en) * | 1964-03-31 | david | ||
| US2852604A (en) * | 1954-08-05 | 1958-09-16 | Richard H Maccutcheon | Sound reproduction apparatus |
| US2866849A (en) * | 1955-04-27 | 1958-12-30 | Leo C Krazinski | Apparatus for improving sounds of music and speech |
| US2953644A (en) * | 1956-10-04 | 1960-09-20 | Bell Telephone Labor Inc | Wave transmission system |
| US3219757A (en) * | 1962-08-06 | 1965-11-23 | Gen Electric | Sound reproduction from monaural information |
| US3560656A (en) * | 1967-05-01 | 1971-02-02 | Dictaphone Corp | Binaural phase differential system |
| US3591699A (en) * | 1968-03-28 | 1971-07-06 | Royce L Cutler | Music voicing circuit deriving an input from a conventional musical instrument and providing voiced musical tones utilizing the fundamental tones from the conventional musical instrument |
| US3544694A (en) * | 1969-03-17 | 1970-12-01 | William A Freeman | Pickup and waveforming circuitry for electronic musical instrument |
| CA942198A (en) * | 1970-09-15 | 1974-02-19 | Kazuho Ohta | Multidimensional stereophonic reproducing system |
| US3723633A (en) * | 1971-06-16 | 1973-03-27 | Nippon Musical Instruments Mfg | Bass tone producing device for an electronic musical instrument |
| US3828133A (en) * | 1971-09-23 | 1974-08-06 | Kokusai Denshin Denwa Co Ltd | Speech quality improving system utilizing the generation of higher harmonic components |
| US3819861A (en) * | 1972-11-24 | 1974-06-25 | Bell Telephone Labor Inc | Sound enhancing system for musical instruments |
| US3890466A (en) * | 1973-02-01 | 1975-06-17 | Cbs Inc | Encoders for quadraphonic sound system |
-
1977
- 1977-03-14 CA CA273,908A patent/CA1091163A/en not_active Expired
- 1977-03-14 DE DE19772711083 patent/DE2711083A1/de active Granted
- 1977-03-14 NL NL7702723A patent/NL7702723A/xx not_active Application Discontinuation
- 1977-03-15 JP JP52028524A patent/JPS6049918B2/ja not_active Expired
- 1977-03-15 FR FR7707662A patent/FR2357970A1/fr active Granted
- 1977-03-15 GB GB1084877A patent/GB1579571A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2711083C2 (enrdf_load_stackoverflow) | 1987-08-27 |
| NL7702723A (nl) | 1977-09-19 |
| DE2711083A1 (de) | 1977-11-10 |
| FR2357970A1 (fr) | 1978-02-03 |
| GB1579571A (en) | 1980-11-19 |
| FR2357970B1 (enrdf_load_stackoverflow) | 1983-09-30 |
| JPS52131701A (en) | 1977-11-04 |
| JPS6049918B2 (ja) | 1985-11-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |